I have racked my brain trying to figure this out. I have effectively restricted about 100 different pieces of software that are not part of our typical deployment for our students. Since all torrents and most vpn clients have been killed, they have found browser add-ons for hoxx vpn, and betternet. I have killed the bettternet connection on our firewall as it all goes to the same dns name for its initial connection. The issue I am having is, I can see the Chrome add-on apps, but not the FireFox add-ons. Has anyone had to restrict or deal with students and browser add-ons? We are a K-12 district, and some high kids are getting to content you should not be able to. Thanks.